diff --git a/js/view/ReverseBatteryButton.js b/js/view/ReverseBatteryButton.js
index 8afa0a57..e326d35c 100644
--- a/js/view/ReverseBatteryButton.js
+++ b/js/view/ReverseBatteryButton.js
@@ -12,7 +12,6 @@ import Color from '../../../scenery/js/util/Color.js';
 import circuitConstructionKitCommon from '../circuitConstructionKitCommon.js';
 import Battery from '../model/Battery.js';
 import CCKCRoundPushButton from './CCKCRoundPushButton.js';
-import ReverseBatteryButtonIO from './ReverseBatteryButtonIO.js';
 
 // constants
 const ARROW_ICON_SCALE = 0.012;
@@ -60,8 +59,7 @@ class ReverseBatteryButton extends CCKCRoundPushButton {
           assert && assert( battery instanceof Battery );
           circuit.flip( battery );
         },
-        tandem: tandem,
-        phetioType: ReverseBatteryButtonIO
+        tandem: tandem
       }
     );
   }
diff --git a/js/view/ReverseBatteryButtonIO.js b/js/view/ReverseBatteryButtonIO.js
deleted file mode 100644
index d5cf33f9..00000000
--- a/js/view/ReverseBatteryButtonIO.js
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2019-2020, University of Colorado Boulder
-
-/**
- * IO Type for Battery Reverse Button
- *
- * @author Sam Reid (PhET Interactive Simulations)
- */
-
-import validate from '../../../axon/js/validate.js';
-import CouldNotYetDeserializeError from '../../../tandem/js/CouldNotYetDeserializeError.js';
-import ObjectIO from '../../../tandem/js/types/ObjectIO.js';
-import circuitConstructionKitCommon from '../circuitConstructionKitCommon.js';
-
-class ReverseBatteryButtonIO extends ObjectIO {
-
-  /**
-   * @param {ReverseBatteryButton} reverseBatteryButton
-   * @returns {Object}
-   * @public
-   */
-  static toStateObject( reverseBatteryButton ) {
-    validate( reverseBatteryButton, this.validator );
-    return {
-      circuitElementID: reverseBatteryButton.circuitElement ? reverseBatteryButton.circuitElement.tandem.phetioID : null
-    };
-  }
-
-  /**
-   * @override
-   * @param {Object} stateObject - see ReverseBatteryButtonIO.toStateObject
-   * @returns {Array.<*>}
-   * @public
-   */
-  static stateToArgsForConstructor( stateObject ) {
-    if ( stateObject.circuitElementID === null ) {
-      return [ null ];
-    }
-    if ( phet.phetio.phetioEngine.hasPhetioObject( stateObject.circuitElementID ) ) {
-      return [ phet.phetio.phetioEngine.getPhetioObject( stateObject.circuitElementID ) ];
-    }
-    else {
-      throw new CouldNotYetDeserializeError();
-    }
-  }
-}
-
-ReverseBatteryButtonIO.methods = {};
-ReverseBatteryButtonIO.documentation = 'Button that disposes a Circuit Element';
-ReverseBatteryButtonIO.validator = { isValidValue: v => v instanceof phet.circuitConstructionKitCommon.ReverseBatteryButton };
-ReverseBatteryButtonIO.typeName = 'ReverseBatteryButtonIO';
-ObjectIO.validateIOType( ReverseBatteryButtonIO );
-
-circuitConstructionKitCommon.register( 'ReverseBatteryButtonIO', ReverseBatteryButtonIO );
-export default ReverseBatteryButtonIO;
\ No newline at end of file